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// Tests that dlltool failing to generate an import library will raise an error.

// only-gnu
// only-windows
// needs-dlltool
// compile-flags: --crate-type lib --emit link
// normalize-stderr-test: "[^ ']*/dlltool.exe" -> "$$DLLTOOL"
// normalize-stderr-test: "[^ ]*/foo.def" -> "$$DEF_FILE"
// normalize-stderr-test: "[^ ]*/foo.lib" -> "$$LIB_FILE"
// normalize-stderr-test: "-m [^ ]*" -> "$$TARGET_MACHINE"
// normalize-stderr-test: "-f [^ ]*" -> "$$ASM_FLAGS"
// normalize-stderr-test: "--temp-prefix [^ ]*/foo.dll" -> "$$TEMP_PREFIX"
#[link(name = "foo", kind = "raw-dylib")]
extern "C" {
    // `@1` is an invalid name to export, as it usually indicates that something
    // is being exported via ordinal.
    #[link_name = "@1"]
    fn f(x: i32);
}

pub fn lib_main() {
    unsafe { f(42); }
}